#include "../test.h"
#include <rxcpp/operators/rx-finally.hpp>
SCENARIO("finally - never", "[finally][operators]"){
GIVEN("a source"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
long invoked = 0;
auto xs = sc.make_hot_observable({
on.next(150, 1)
});
WHEN("finally action is set"){
auto res = w.start(
[xs, &invoked]() {
return xs
| rxo::finally([&invoked]() {
++invoked;
})
// forget type to workaround lambda deduction bug on msvc 2013
| rxo::as_dynamic();
}
);
THEN("finally called once"){
REQUIRE(1 == invoked);
}
#include "../test.h"
#include <rxcpp/operators/rx-take_last.hpp>
SCENARIO("take last 0", "[take_last][operators]") {
GIVEN("a source") {
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_hot_observable({
on.next(150, 1),
on.next(210, 2),
on.next(220, 3),
on.next(230, 4),
on.next(240, 5),
on.completed(250)
});
WHEN("0 last values are taken") {
auto res = w.start(
[xs]() {
return xs
| rxo::take_last(0)
// forget type to workaround lambda deduction bug on msvc 2013
| rxo::as_dynamic();
}
);
THEN("the output only contains the completion event") {
auto required = rxu::to_vector({
GIVEN("a test hot observable of ints"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
long invoked = 0;
auto xs = sc.make_hot_observable({
on.on_next(110, 1),
on.on_next(180, 2),
on.on_next(230, 3),
on.on_next(270, 4),
on.on_next(340, 5),
on.on_next(380, 6),
on.on_next(390, 7),
on.on_next(450, 8),
on.on_next(470, 9),
on.on_next(560, 10),
on.on_next(580, 11),
on.on_completed(600),
on.on_next(610, 12),
on.on_error(620, std::runtime_error("error in unsubscribed stream")),
on.on_completed(630)
});
WHEN("filtered to ints that are primes"){
auto res = w.start(
[&xs, &invoked]() {
#if 0 && RXCPP_USE_OBSERVABLE_MEMBERS
return xs
.filter([&invoked](int x) {
#include "../test.h"
SCENARIO("tap stops on completion", "[tap][operators]") {
GIVEN("a test hot observable of ints") {
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
long invoked = 0;
auto xs = sc.make_hot_observable({
on.next(180, 1),
on.next(210, 2),
on.next(240, 3),
on.next(290, 4),
on.next(350, 5),
on.completed(400),
on.next(410, -1),
on.completed(420),
on.error(430, std::runtime_error("error on unsubscribed stream"))
});
WHEN("on_next is tapped") {
auto res = w.start(
[xs, &invoked]() {
return xs
.tap([&invoked](int) {
invoked++;
})
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
namespace rxs=rxcpp::sources;
namespace rxsc=rxcpp::schedulers;
namespace rxn=rx::notifications;
#include "rxcpp/rx-test.hpp"
#include "catch.hpp"
SCENARIO("amb never 3", "[amb][join][operators]"){
GIVEN("1 cold observable with 3 hot observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
auto ys1 = sc.make_hot_observable({
on.next(100, 1)
});
auto ys2 = sc.make_hot_observable({
on.next(110, 2)
});
auto ys3 = sc.make_hot_observable({
on.next(120, 3)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(100, ys3),
o_on.completed(200)
#include "../test.h"
#include "rxcpp/operators/rx-sequence_equal.hpp"
SCENARIO("sequence_equal - source never emits", "[sequence_equal][operators]"){
GIVEN("two sources"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_hot_observable({
on.next(150, 1)
});
auto ys = sc.make_hot_observable({
on.next(150, 1),
on.next(200, 2),
on.next(300, 3),
on.next(400, 4),
on.next(500, 5),
on.completed(600)
});
WHEN("two observables are checked for equality"){
auto res = w.start(
[xs, ys]() {
return xs
| rxo::sequence_equal(ys)
| rxo::as_dynamic(); // forget type to workaround lambda deduction bug on msvc 2013
}
);
#include "../test.h"
SCENARIO("contains emits true if an item satisfies the given condition", "[contains][operators]"){
GIVEN("a source") {
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<bool> on_contains;
auto xs = sc.make_hot_observable({
on.next(150, 1),
on.next(210, 2),
on.completed(250)
});
WHEN("invoked with a predicate"){
auto res = w.start(
[xs]() {
return xs
.contains(2)
.as_dynamic(); // forget type to workaround lambda deduction bug on msvc 2013
}
);
THEN("the output only contains true"){
auto required = rxu::to_vector({
on_contains.next(210, true),
on_contains.completed(210)
});
auto actual = res.get_observer().messages();
#include "rxcpp/rx.hpp"
namespace rxu=rxcpp::util;
namespace rxsc=rxcpp::schedulers;
#include "rxcpp/rx-test.hpp"
#include "catch.hpp"
SCENARIO("zip never/never", "[zip][join][operators]"){
GIVEN("2 hot observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto n1 = sc.make_hot_observable({
on.next(150, 1)
});
auto n2 = sc.make_hot_observable({
on.next(150, 1)
});
WHEN("each int is combined with the latest from the other source"){
auto res = w.start(
[&]() {
return n1
.zip(
[](int v2, int v1){
return v2 + v1;
},
n2
on.on_next(30, 203),
on.on_next(40, 204),
on.on_completed(50)
});
auto ys3 = sc.make_cold_observable({
on.on_next(10, 301),
on.on_next(20, 302),
on.on_next(30, 303),
on.on_next(40, 304),
on.on_completed(150)
});
auto xs = sc.make_hot_observable({
o_on.on_next(300, ys1),
o_on.on_next(400, ys2),
o_on.on_next(500, ys3),
o_on.on_completed(600)
});
WHEN("distinct values are taken"){
auto res = w.start(
[xs]() {
return xs.switch_on_next();
}
);
THEN("the output only contains distinct items sent while subscribed"){
auto required = rxu::to_vector({
on.on_next(310, 101),
on.on_next(320, 102),
on_next(180, 2),
on_next(230, 3),
on_next(270, 4),
on_next(340, 5),
on_next(380, 6),
on_next(390, 7),
on_next(450, 8),
on_next(470, 9),
on_next(560, 10),
on_next(580, 11),
on_completed(600),
on_next(610, 12),
on_error(620, std::runtime_error("error in unsubscribed stream")),
on_completed(630)
};
auto xs = sc.make_hot_observable(messages);
WHEN("filtered to ints that are primes"){
auto res = w.start<int>(
[&xs, &invoked]() {
#if 0 && RXCPP_USE_OBSERVABLE_MEMBERS
return xs
.filter([&invoked](int x) {
invoked++;
return IsPrime(x);
})
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
#else
return xs
>> rxo::filter([&invoked](int x) {
#include "rxcpp/rx.hpp"
namespace rxu=rxcpp::util;
namespace rxsc=rxcpp::schedulers;
#include "rxcpp/rx-test.hpp"
#include "catch.hpp"
SCENARIO("combine_latest return/return", "[combine_latest][join][operators]"){
GIVEN("2 hot observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto o1 = sc.make_hot_observable({
on.next(150, 1),
on.next(215, 2),
on.completed(230)
});
auto o2 = sc.make_hot_observable({
on.next(150, 1),
on.next(220, 3),
on.completed(240)
});
WHEN("each int is combined with the latest from the other source"){
auto res = w.start(
[&]() {
return o1
.combine_latest(
#include "catch.hpp"
SCENARIO("replay basic", "[replay][multicast][subject][operators]"){
GIVEN("a test hot observable of ints"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_hot_observable({
on.next(110, 0),
on.next(220, 1),
on.next(280, 2),
on.next(290, 3),
on.next(340, 4),
on.next(360, 5),
on.next(370, 6),
on.next(390, 7),
on.next(410, 8),
on.next(430, 9),
on.next(450, 10),
on.next(520, 11),
on.next(560, 12),
on.completed(600)
});
auto res = w.make_subscriber<int>();
rx::connectable_observable<int> ys;
WHEN("subscribed and then connected"){
w.schedule_absolute(rxsc::test::created_time,
#include "catch.hpp"
SCENARIO("window count, basic", "[window][operators]"){
GIVEN("1 hot observable of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
auto xs = sc.make_hot_observable({
on.next(100, 1),
on.next(210, 2),
on.next(240, 3),
on.next(280, 4),
on.next(320, 5),
on.next(350, 6),
on.next(380, 7),
on.next(420, 8),
on.next(470, 9),
on.completed(600)
});
WHEN("group each int with the next 2 ints"){
auto res = w.start(
[&]() {
return xs
.window(3, 2)
.merge()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}